﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Strategy {
    class Program {
        static void Main(string[] args) {
            Duck mallard = new MallardDuck();
            mallard.PerformFly();
            mallard.PerformQuack();

            Duck model = new ModelDuck();
            model.PerformFly();
            model.FlyBehavior = new FlyRocketPowered();
            model.PerformFly();

            Console.ReadKey();
        }
    }
}
